Hasp-staple



H. BLYE.

HASP STAPLE.

APPLICATION man oec.18. 1918.

m W W ,Wg/mw UNITED SIATES PATENT OFFICE.

HAROLD BLYE, OF GRAND RAPIDS, IVIOHIGAN, .ASSIGNOR T0 NATIONAL BRASS COMPANY, OF GRAND RAPIDS, MICHIGAN, A CORPORATION OF MICHIGAN.

IIASP-STAPLE.

Application filed ec'exnber 18, 1918.

To aZZ 'whom z't may concern:

Be it known that I, HAROLD BLYE, a citizen of the United States of America, residing at Grand Rapids, in the county of Kent and State of Michigan, have invented certain new and useful Improvements in I-Iasp- Staples; and I do hereby deolare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to a sheet metal staple for use with hasps on doors, the hasp associating with the staple so that a lock may be passed through the staple over the hasp, holding the same from disengagement. It is a primary object and purpose of-this invention to construct a novel form of staple from sheet metal, so that the same may be very rapidly and economically manufactured and with a'reduction in the number of sizes of staples necessary to be kept in stock to suit the different sizes of pad looks used with hasps. A further object of the invention is to produce a staple of this Character which may be cut and formed from a length of sheet metal, with the use of progressive dies such that with every stroke of the press Operating the dies, a complete staple is finished, this greatly reducing manufacturing costs, while the reduction in number of sizes permits a greater run of the press at each set-up of the dies, this also being an economy in manufacture. All of these features of advantage, together with many others not at this time specifically noted, will appear as understanding of the invention is had from the following description, taken in connection with the accompanying drawing, showing the construction and use of the staple, in which drawing,

Figure 1 is a fragmentary front elevation of a door and associated door jamh m' casing, the staple being attached to the jamb and a coacting hasp attached to the door:

Fig. 2 is a plan of a blank from which the staple is made, and

Fig. 8 is a plan view of the staple.

Like reference characters refer to like parts in the different views of the drawing.

In use a hasp is attached to a door, indicated at the hasp including a fiat metal specification of Letters Patent.

Patented Jan. 13, 1920.

Serial No. 267,345.

member 2 pivotally connected at 3 to a relatively stationary part of the hasp which -is permanently secui'ed to the door in the usual manner. Adjacent its free end the member 2 is provided with a somewhat elongated rectangular opening 2a. This part 2 may be turned about its pivot 'tov pass across the meeting edges of the door and the door jamb or casing 4 as is evident, to which jamb the staple, forming the subject matter of my invention, is attached.

The staple is made from a blank of flat sheet metal of desired thickness, it including two end Sections 5 and 6, substantially rectangular in Outline, except that at their adjacent edges said Sections are formed, respectively, with projections 7 and notches or depressions 8 of the same dimensions as said projections, as shown. The Sections are connected by an integral narrower neck 9, along' side each end of which a narrow slot 10 is cut into the sections 5 and 6 of the blank. Countersunk openings 11 are made through the sections 5 and 6 of the blank for the pas- Sage of attaching screws after the blank has been formed into a staple.

To form this blank into a staple, it is merely necessary to bend the neck 9 into loop form, as shown in Fig. 3, this bringing the adjacent edges of the sections 5 and 6 together, with projections 7 seating in depressions or notches 8, a complete staple with attaching base being thus formed. The engagement of the projections 7 in the notches 8 serves to aline the Sections 5 and 6 of such base perfectly so that after the device is finished lines of demarcation between said sections scarcely appear.

With a staple of this character attached to a door jamb, by means of screws or equivalent fastenings, no separation of the parts of the base can occur, and the hasp may be turned so that the loop part 9 passes through the opening 2a, permitting the passage of the bow of a pad lock which holds the hasp against separation from the loop. The projection of the loop from the base of the staple may be varied by varying the length of the connecting neck 9. In Figs. 2 and 3, the blank and staple formed therefrom are shown enlarged, while in Fig. 1, the staple is shown in, what in practice will be, its

largest size, capable of receiving and passing pad lock bows nearly one half of an inch in diameter. This size and a smaller size only are necessary to take care of the many diflerent sizes of pad lock bows, and two sizes only need be inanufactured. n addition, the blanking and forming of the staple from a length of sheet metal, the width thereof being the width of the blank at the base sections thereof, is a very rapid operation, the staple complete being forined by means of proper dies in a single operation on a single machine, all of the difierent Steps for outting and forining the metal into a staple being carried out on consecntive staples on each downward stroke of the rain of pnnch press. The staple is Very strong and durable, cannot be detached from the door jamb Without Withdrawing the attaching screws,

and in practice has proven a marked advance over those previously used.

I claim:

1. A hasp staple coinprising a loop, a base section integrally connected at each end of the loop, said Sections having their inner edges in abutting engagement, and means Vfor holding said base Sections in alineinent, substantially as described.

2. A hasp staple colnprising a relatively narrow loop of sheet metal, a base section integrally connected to each end of the loop, one of said Sections having a plnrality of projections at its inner edge, and the other having a plurality of depressions in its inner edge to receive said projections and th'ereby keep the base Sections in alinenient.

In testiniony whereof I afiix niy signature.

HAROLD BLYE. 

